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Diffstat (limited to 'lib/timespec.h')
-rw-r--r-- | lib/timespec.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/timespec.h b/lib/timespec.h new file mode 100644 index 0000000..cce2d66 --- /dev/null +++ b/lib/timespec.h @@ -0,0 +1,37 @@ +/* timespec -- System time interface + + Copyright (C) 2000, 2002, 2004, 2005, 2007 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#if ! defined TIMESPEC_H +# define TIMESPEC_H + +# include <time.h> + +/* Return negative, zero, positive if A < B, A == B, A > B, respectively. + Assume the nanosecond components are in range, or close to it. */ +static inline int +timespec_cmp (struct timespec a, struct timespec b) +{ + return (a.tv_sec < b.tv_sec ? -1 + : a.tv_sec > b.tv_sec ? 1 + : a.tv_nsec - b.tv_nsec); +} + +void gettime (struct timespec *); +int settime (struct timespec const *); + +#endif |